Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
1999-06-18
Phys. Rev. Lett. 83, 816 (1999).
Physics
Condensed Matter
Strongly Correlated Electrons
4 pages, 5 figures included, to appear in Phys. Rev. Lett. on July 26
Scientific paper
10.1103/PhysRevLett.83.816
We explain quantitatively why resonant Raman scattering spectroscopy, an extensively used experimental tool in studying elementary electronic excitations in doped low dimensional semiconductor nanostructures, always produces an observable peak at the so-called "single particle" excitation although the standard theory predicts that there should be no such single particle peak in the Raman spectra. We have thus resolved an experimental puzzle which dates back more than twenty-five years.
Sarma Sankar Das
Wang Daw-Wei
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